CVE-2026-54771: Langroid

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Langroid is a framework for building large-language-model-powered applications. Prior to version 0.65.3, a Langroid application exposing a chat interface to untrusted users may allow direct tool invocation via raw JSON payloads, even when tools are registered with `use=False, handle=True`. Version 0.65.3 fixes the issue.

Affected products

• Langroid Langroid: before 0.65.3 (fixed in 0.65.3)

Published 2026-07-10. Last modified 2026-07-10.